




🔧 Detect leaks before they detect you!
The Mastercool 55900 Refrigerant Leak Detector offers industry-leading sensitivity with a heated tin oxide sensor and intelligent tip design to eliminate false alarms. Its flexible 15.5-inch probe and universal refrigerant detection make it an essential tool for HVAC professionals seeking precision and reliability in leak detection.






| Manufacturer | Mastercool |
| Brand | Mastercool |
| Model | 55900 |
| Product Dimensions | 26.42 x 6.1 x 39.37 cm; 453.59 g |
| Batteries | 2 C batteries required. (included) |
| Item model number | 55900 |
| Manufacturer part number | 55900 |
| Item Weight | 454 g |
P**E
Five Stars
Like the equipment and is very sensitive.
Trustpilot
1 month ago
2 weeks ago